diff --git a/plugins/guests/ubuntu/cap/change_host_name.rb b/plugins/guests/ubuntu/cap/change_host_name.rb
index 6363ab732..26526fb08 100644
--- a/plugins/guests/ubuntu/cap/change_host_name.rb
+++ b/plugins/guests/ubuntu/cap/change_host_name.rb
@@ -21,10 +21,8 @@ module VagrantPlugins
 
               # hosts should resemble:
               # 127.0.1.1   host.fqdn.com host
-              # First to set fqdn
-              comm.sudo("sed -i 's@#{old}@#{name}@' /etc/hosts")
-              # Second to set hostname
-              comm.sudo("sed -i 's@#{old.split('.')[0]}@#{name.split('.')[0]}@' /etc/hosts")
+              # Set FQDN, hostname in one line
+              comm.sudo("sed -i 's@#{old}@#{name} #{name.split('.')[0]}@' /etc/hosts")
 
               if comm.test("[ `lsb_release -c -s` = hardy ]")
                 # hostname.sh returns 1, so I grep for the right name in /etc/hostname just to have a 0 exitcode